From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07C1CC4167B for ; Mon, 27 Nov 2023 06:55:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232164AbjK0GzX (ORCPT ); Mon, 27 Nov 2023 01:55:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42848 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231978AbjK0GzU (ORCPT ); Mon, 27 Nov 2023 01:55:20 -0500 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B0608189 for ; Sun, 26 Nov 2023 22:55:25 -0800 (PST) Received: by mail-ed1-x532.google.com with SMTP id 4fb4d7f45d1cf-5482df11e73so5084658a12.0 for ; Sun, 26 Nov 2023 22:55:25 -0800 (PST) DKIM-Signature: v=1; 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bh=fvoDgA0KUEavMZgSwz2q0okOEwjLaa+M4rFji12SNTI=; b=lYQ29zN7qRKIRxeYC36ENGgkjzaNgMIfDs1DlLu++Asf3nPu8RNdpHDbMLXk69Pu7s bWfxoHKv4AeXZALTtv664cI7cU8KwVua8vpq6hcfTEocyyaQyb2J9clpp9AtBt0aLbUW 9Rrd4E7zphCtQO2wk/ngEdb0ZyxN1z9Ur3GTuYZ8y2DU95Qi7rFwRsB6iLdPSLIZnO8D LIqG3v9VGv4Snu/hYUVOdfBmUJH6rrNQoSgJYuHPPy61hQ83yXt2W+ZZj7fjlfjNhQCZ 0uskFtHdrQ9goJFz9rt+7t65jeJ+jFObN/6LDBBAp4HX1LWVs328F8TqrCxPX1OdkDz+ 9Tpw== X-Gm-Message-State: AOJu0YztP5auXiJmfThyL26TTyFQ/ObGRxkHjhix7us/wHVpdTEqsdfY Wkm8pm9/YVSfSgt3SUesu7gfxA== X-Google-Smtp-Source: AGHT+IH3uL19TulhmqPpzsz8xj7/gK1xsaMeXYzhDs1LLK/qqzEwTdegJjUqfJKBktgeMffAI+Y04Q== X-Received: by 2002:a05:6402:5152:b0:54b:5f8:2df with SMTP id n18-20020a056402515200b0054b05f802dfmr6025025edd.9.1701068124075; Sun, 26 Nov 2023 22:55:24 -0800 (PST) Received: from [192.168.1.20] ([178.197.223.109]) by smtp.gmail.com with ESMTPSA id c15-20020a05640227cf00b0054b564d04e8sm1258290ede.85.2023.11.26.22.55.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 26 Nov 2023 22:55:23 -0800 (PST) Message-ID: <72202fa6-6f0a-4f63-bfdc-36afe14207fd@linaro.org> Date: Mon, 27 Nov 2023 07:55:21 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/12] dt-bindings: display: msm: Add reg bus and rotator interconnects Content-Language: en-US To: Konrad Dybcio , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Loic Poulain , Bryan O'Donoghue , Andy Gross , Bjorn Andersson , Georgi Djakov , Will Deacon , Robin Murphy , Joerg Roedel , Krishna Manikandan , Robert Marko , Das Srinagesh Cc: Marijn Suijten , Rob Herring , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev References: <20231125-topic-rb1_feat-v1-0-11d71b12b058@linaro.org> <20231125-topic-rb1_feat-v1-2-11d71b12b058@linaro.org> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25/11/2023 15:17, Konrad Dybcio wrote: > Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there are > other connection paths: > - a path that connects rotator block to the DDR. > - a path that needs to be handled to ensure MDSS register access > functions properly, namely the "reg bus", a.k.a the CPU-MDSS CFG > interconnect. > > Describe these paths bindings to allow using them in device trees and in > the driver > > Signed-off-by: Dmitry Baryshkov > [Konrad: rework for one vs two MDP paths] > Signed-off-by: Konrad Dybcio > --- Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof